Prepared in cooperation with the U.S. Geological Survey Greater Everglades Priority Ecosystems Science

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Abstract

The Everglades Depth Estimation Network is an integrated network of real-time water-level gaging stations, a
ground-elevation model, and a water-surface elevation model
designed to provide scientists, engineers, and water-resource
managers with water-level and water-depth information
(1991-2013) for the entire freshwater portion of the Greater
Everglades. The U.S. Geological Survey Greater Everglades
Priority Ecosystems Science provides support for the Everglades Depth Estimation Network in order for the Network
to provide quality-assured monitoring data for the U.S. Army
Corps of Engineers Comprehensive Everglades Restoration
Plan. In a previous study, water-level estimation equations
were developed to fill in missing data to increase the accuracy of the daily water-surface elevation model. During this
study, those equations were updated because of the addition
and removal of water-level gaging stations, the consistent use
of water-level data relative to the North American Vertical
Datum of 1988, and availability of recent data (March 1, 2006,
to September 30, 2011). Up to three linear regression equations were developed for each station by using three different
input stations to minimize the occurrences of missing data
for an input station. Of the 667 water-level estimation equations developed to fill missing data at 223 stations, more than
72 percent of the equations have coefficients of determination
greater than 0.90, and 97 percent have coefficients of determination greater than 0.70.

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